We broke the fast one during Ramadan when it was cloudy in the lifetime of the Messenger of Allah ﷺ ; then the sun rose. Abu Usamah said: I said to Hisham: Were they commanded to atone for it ? He replied: That was inevitable.  

أَفْطَرْنَا يَوْمًا فِي رَمَضَانَ فِي غَيْمٍ فِي عَهْدِ رَسُولِ اللَّهِ ﷺ ثُمَّ طَلَعَتِ الشَّمْسُ قَالَ أَبُو أُسَامَةَ قُلْتُ لِهِشَامٍ أُمِرُوا بِالْقَضَاءِ قَالَ وَبُدٌّ مِنْ ذَلِكَ